Revert "chromiumos-assets: Update boot splash animation"

Per test, it slows down the boot on samus.

BUG=chrome-os-partner:61532
TEST=manually

This reverts commit e8dd798bbc715da6dccdc3654bc290b5594ad0be.

Change-Id: I18c25023f31f81ed8c09ffdda2f957baa1a96612
Reviewed-on: https://chromium-review.googlesource.com/425484
Commit-Ready: Jingkui Wang <jkwang@google.com>
Tested-by: Jingkui Wang <jkwang@google.com>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
90 files changed